207979805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{61991}}^1$

素因数の和:62068

約数の個数: 16

約数和(自身を含む): 276732288

約数和(自身を除く): 68752483

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 61991, 309955, 681901, 3409505, 3781451, 18907255, 41595961, 207979805]

約数ペア:

[(1, 207979805), (5, 41595961), (11, 18907255), (55, 3781451), (61, 3409505), (305, 681901), (671, 309955), (3355, 61991)]